<template>
  <div id="app">
    <div class="header">
          <router-link to="/list" class="header-title">电商网站示例</router-link>
          <div class="header-menu">
              <router-link to="/cart" class="header-menu-cart">
                  购物车
                  <span v-show="cartList.length">{{cartList.length}}</span>
              </router-link>
          </div>
      </div>
    <router-view></router-view>
  </div>
</template>

<script>
export default {
  name: 'App',
  computed:{
    cartList () {
      return this.$store.state.cartList;
    }
  }
}
</script>

<style>
#app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2c3e50;
}
</style>
